At the center of galaxies, like our own Milky Way, lie massive black holes surrounded by spinning gas. Some shine brightly, with a continuous supply of fuel, while others go dormant for millions of years, only to reawaken ...
Astronomy
Aug 17, 2021
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A new visualization provides an exceptional virtual trip—complete with a 360-degree view—to the center of our home galaxy, the Milky Way. This project, made using data from NASA's Chandra X-ray Observatory and other telescopes, ...
Astronomy
Jan 10, 2018
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Scientists have unlocked one of the biggest mysteries of quasars—the brightest, most powerful objects in the universe—by discovering that they are ignited by galaxies colliding.
Astronomy
Apr 25, 2023
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Astronomers at The University of Texas at Austin and Harvard University have put a basic principle of black holes to the test, showing that matter completely vanishes when pulled in. Their results constitute another successful ...
Astronomy
May 30, 2017
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Astronomers have produced the most comprehensive image of radio emission from the nearest actively feeding supermassive black hole to Earth.
Astronomy
Dec 22, 2021
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A team led by CU Boulder researchers has caught a supermassive black hole in a distant galaxy snacking on gas and then "burping"—not once, but twice.
Astronomy
Jan 11, 2018
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Astronomers have detected a stealthy black hole from its effects on an interstellar gas cloud. This intermediate-mass black hole is one of over 100 million quiet black holes expected to be lurking in the galaxy. These results ...
Astronomy
Mar 1, 2019
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494
New images from NASA's James Webb Space Telescope (JWST) reveal for the first time galaxies with stellar bars—elongated features of stars stretching from the centers of galaxies into their outer disks—at a time when the ...
Astronomy
Jan 5, 2023
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1040
The first confirmed heartbeat of a supermassive black hole is still going strong more than ten years after first being observed.
Astronomy
Jun 9, 2020
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The supermassive black hole at the center of our Milky Way galaxy, Sagittarius A*, is by far the closest such object to us, about 27,000 light-years away. Although it is not nearly so active or luminous as other galactic ...
Astronomy
Jul 12, 2021
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725
